package day06;

public class DebugDemo {
    public static void main(String[] args) {
        sum(4,5);
        test();

    }

    public static void test(){
        System.out.println("test");
    }

    public static void sum(int n1, int n2){
        int n = n1 + n2;
        System.out.println(n);
    }

}
